#### What type of PR is this?
/kind feature
/area core
#### What this PR does / why we need it:
Use Gradle plugin `maven-publish` to publish Halo modules(`platform.application`, `platform.plugin` and `api`) to Maven central repository.
```bash
# Try to publish to Maven local repository.
./gradlew publish
# Really publish to Maven central repository.
./gradlew -Prelease publish -PossrhUsername=username -PossrhPassword=password
```
Note that currently we only support manually publishing.
#### Which issue(s) this PR fixes:
Fixes https://github.com/halo-dev/halo/issues/2730
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
#### What this PR does / why we need it:
为 springdoc 添加 `writer-with-order-by-keys` 参数以固定 OpenAPI 中接口的参数顺序，防止重新生成 `api-client` 时因为参数顺序不同而造成不必要的 diff。
#### Special notes for your reviewer:
测试方式：
1. 反复执行 `make -C console api-client-gen`
2. 观察是否有产生 diff
#### Does this PR introduce a user-facing change?
```release-note
None
```
John Niang